Preliminary paint property walk implementation for SPv2

third_party/WebKit/Source/core/paint/paint_property_tree_builder_tests/fixed-position.html-expected.txt

Index: third_party/WebKit/Source/core/paint/paint_property_tree_builder_tests/fixed-position.html-expected.txt
diff --git a/third_party/WebKit/Source/core/paint/paint_property_tree_builder_tests/fixed-position.html-expected.txt b/third_party/WebKit/Source/core/paint/paint_property_tree_builder_tests/fixed-position.html-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cdc72e9c0c3240bc891c07a3786e00df6727aa9c
--- /dev/null
+++ b/third_party/WebKit/Source/core/paint/paint_property_tree_builder_tests/fixed-position.html-expected.txt
@@ -0,0 +1,24 @@
+=== Layout Tree ===

[pdr., 2015/10/16 16:38:46]

I think this approach will be good long-term for existing layouttests but WDYT
about switching this (and all new tests) to working more like
PaintControllerPaintTestForSlimmingPaintV2 where we explicitly assert the
properties of the tree?

[trchen, 2015/10/20 05:11:47]

Done.

+FrameView at (0,0) size 800x600 scroll={width=0 height=0} preTranslation=#1 scrollTranslation=#2
+  LayoutView at (0,0) size 800x600
+    LayoutBlockFlow {HTML} at (0,0) size 800x600
+      LayoutBlockFlow {BODY} at (8,8) size 784x584
+        LayoutBlockFlow (positioned) {DIV} at (100,50) size 400x300 class="positioned-scroll" scrollTranslation=#3
+          LayoutBlockFlow {DIV} at (0,0) size 385x10000 class="bloat"
+          LayoutBlockFlow (positioned) {DIV} at (200,150) size 100x100 class="fixed" preTranslation=#4
+        LayoutBlockFlow {DIV} at (0,0) size 400x300 class="transformed-scroll" preTranslation=#5 transform=#6 scrollTranslation=#7
+          LayoutBlockFlow {DIV} at (0,0) size 385x10000 class="bloat"
+          LayoutBlockFlow (positioned) {DIV} at (200,150) size 100x100 class="fixed" preTranslation=#8
+        LayoutBlockFlow (anonymous) at (0,300) size 784x1
+          LayoutText {#text} at (0,0) size 62x1
+
+=== Transform Tree ===
+#0 Root
+  #1 TransformPaintPropertyNode(matrix=TransformationMatrix(translation=(0,0,0)), origin=FloatPoint3D(0, 0, 0))
+    #2 TransformPaintPropertyNode(matrix=TransformationMatrix(translation=(0,0,0)), origin=FloatPoint3D(0, 0, 0))
+      #3 TransformPaintPropertyNode(matrix=TransformationMatrix(translation=(0,0,0)), origin=FloatPoint3D(0, 0, 0))
+      #5 TransformPaintPropertyNode(matrix=TransformationMatrix(translation=(8,8,0)), origin=FloatPoint3D(0, 0, 0))
+        #6 TransformPaintPropertyNode(matrix=TransformationMatrix(translation=(0,0,0), scale=(2,1,1), skew=(0,0,0), quaternion=(0,0,0,1), perspective=(0,0,0,1)), origin=FloatPoint3D(200, 150, 0))
+          #7 TransformPaintPropertyNode(matrix=TransformationMatrix(translation=(0,0,0)), origin=FloatPoint3D(0, 0, 0))
+            #8 TransformPaintPropertyNode(matrix=TransformationMatrix(translation=(200,150,0)), origin=FloatPoint3D(0, 0, 0))
+    #4 TransformPaintPropertyNode(matrix=TransformationMatrix(translation=(200,150,0)), origin=FloatPoint3D(0, 0, 0))